Home / 51,553.28-71,148.52-28,896.12

Finding the Fourth Proportional to 51,553.28, 71,148.52 and 28,896.12

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Solution

The fourth proportional to 51,553.28, 71,148.52 and 28,896.12 is: 39,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,553.28 : 71,148.52 = 28,896.12 : x
  2. Step 2: Convert to fraction form
    51,553.28/71,148.52 = 28,896.12/x
  3. Step 3: Cross multiply
    51,553.28x = 71,148.52 × 28,896.12
  4. Step 4: Simplify right side
    51,553.28x = 2,055,916,171.74
  5. Step 5: Solve for x
    x = 2,055,916,171.74/51,553.28
  6. Step 6: Final answer
    x = 39,879.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.